Netgear CM500 User Manual
1. Collect your cable Internet provider
information.
Collect your cable account number, account
phone number, and login information (your email
address or user name and password).
Cable wall outlet
Quick Start
High Speed Cable Modem
Model CM500
Package Contents
Cable modem
Ethernet cable
Power adapter
2. Turn o existing modems and routers.
If you are replacing a modem that is currently
connected in your home, unplug the modem and
plug the new cable modem into the same outlet.
3. Connect a coaxial cable.
Use a coaxial cable that is provided by your
cable company to connect the cable port on
the cable modem to a cable wall outlet or a line
splitter.
Make sure that the cable is tightly connected.
Note:
provider, Comcast XFINITY recommends connecting
your cable modem directly to a cable wall outlet.
Note: If Charter is your cable Internet provider,
Charter recommends connecting your cable modem
directly to a cable wall outlet. If you must use a
splitter, use a splitter that is rated at 3.5 dBmv.
4. Connect the power adapter.
Connect the power adapter to the cable modem
and plug the power adapter into an electrical
outlet.
When the startup procedure is completed, the
Power LED
If Comcast XFINITY is your cable Internet
lights green.
Power adapter
Coaxial cable
(not included)
5. Wait for the cable modem
to come online.
The cable modem comes
online when the Internet
LED
lights solid green.
This process might take up
to 10 minutes.
stops blinking and
Ethernet cable
Cable modem
6. Connect a computer to the
cable modem.
Use the Ethernet cable that is
provided in the package to connect
a computer to the Ethernet port on
the cable modem.
Reboot the computer.
Computer
7. Activate your Internet service.
For information about how to
activate your Internet service, see
Activate Your Internet Service on the
other side of this quick start guide.
Note: Aer you install and activate
the cable modem you can disconnect
the computer and connect a router
to the cable modem. For more
information, see Connect a Router
on the other side of this quick start
guide.
Activate Your Internet Service
¾ To activate your Internet service:
1. Visit your cable Internet provider’s website and follow the onscreen
instructions to activate your Internet service.
Cable Internet Provider Contact Information
Bright House Networks
Cable ONE http://www.cableone.net/
Cablevision
Charter https://install.charter.com
Comcast XFINITY
Cox
Mediacom
Time Warner Cable
Note: Your cable Internet provider’s contact information might change.
You can also find the contact information in your monthly Internet
service billing statement.
http://support.brighthouse.com
1-866-898-9101
1-877-692-2253 (877-MYCABLE)
http://www.cablevision.com
https://install.optimum.com/JointInstall/
Telephone number depends on your region.
1-888-438-2427
http://www.comcast.com/activate
http://www.xfinity.com/internetsetup
http://www.xfinity.com/internetsupport
1-800-XFINITY (1-800-934-6489)
https://activation.cox.net/selfactivation/start.cox
1-888-556-1193
https://maestro.mediacomcc.com/walledgarden/page/
login.jsp
1-844-2SIMPLE (1-844-274-6753)
https://elb02.activatemymodem.com/authentication
1-800-892-2253
2. If you are unable to activate your Internet service using the instructions
on your cable Internet provider’s website, call your cable Internet
provider and do the following:
a. When asked, provide your account information and provide the
cable modem’s model number, which is CM500, serial number, and
MAC address.
The serial number and MAC address are on the product label, which
is on the bottom of the cable modem.
b. Wait for your cable Internet provider to confirm that your
cable modem is active.
c. If you do not get an Internet connection with the cable modem, ask
your cable Internet provider to look for your cable modem online,
and do one of the following depending on what your cable Internet
provider tells you about your cable modem:
• If the cable modem is not visible, your cable Internet provider can
give you instructions to verify why the cable modem does not connect
with your high-speed Internet service.
• If the cable modem is visible to your cable Internet provider, reboot
the cable modem. Check your online status again.
Connect a Router
Aer you install the cable modem and activate your Internet service, you
can disconnect the computer and connect a router to the cable modem.
¾ To connect a router to the cable modem:
1. Reboot the cable modem by unplugging the power cable from the
cable modem and plugging it back in.
Wait for the Internet LED
2. Use an Ethernet cable to connect the Ethernet port on the
cable modem to the WAN or Internet port on the router.
to stop blinking and light solid green.
3. Power on the router.
Computer
4. Wait until the router is ready.
5. Connect a computer to the router.
For more information on how to
set up your router, see the
documentation that came
with your router.
Cable modem Router
Support
Thank you for purchasing this NETGEAR product. You can visit
www.netgear.com/support to register your product, get help, access the latest
downloads and user manuals, and join our community. We recommend that you
use only ocial NETGEAR support resources.
If you are experiencing trouble installing your cable modem, contact NETGEAR
at 1-866-874-8924. If you are experiencing trouble connecting your router,
contact the router manufacturer.
For regulatory compliance information, visit
http://www.netgear.com/about/regulatory/.
See the regulatory compliance document before connecting the power supply.
Customer-owned cable modems might not be compatible with certain
cable networks. Check with your cable Internet provider to confirm that this
NETGEAR cable modem is allowed on your cable network.
January 2017
NETGEAR, Inc.
350 East Plumeria Drive
San Jose, CA 95134, USA
© NETGEAR, Inc., NETGEAR and the NETGEAR Logo are trademarks of NETGEAR, Inc. Any non-NETGEAR
trademarks are used for reference purposes only.
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